WordNet (r) 3.0 (2006):

Manson
    n 1: Scottish physician who discovered that elephantiasis is
         spread by mosquitos and suggested that mosquitos also
         spread malaria (1844-1922) [syn: Manson, Sir Patrick
         Manson]

U.S. Gazetteer Places (2000):

Manson, IA -- U.S. city in Iowa
   Population (2000):    1893
   Housing Units (2000): 863
   Land area (2000):     3.193422 sq. miles (8.270925 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    3.193422 sq. miles (8.270925 sq. km)
   FIPS code:            48990
   Located within:       Iowa (IA), FIPS 19
   Location:             42.530690 N, 94.534673 W
   ZIP Codes (1990):     50563
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Manson, IA
    Manson